The state fire marshal said it is questioning the person who was inside a building when a six-alarm fire broke out early Wednesday morning on Canal Street.

Mayor Mitch Landrieu, New Orleans Fire Department Superintendent Tim McConnell and State Fire Marshal Butch Browning held a news conference to update the public on the situation at a six-alarm blaze in the 1000 block of Canal Street.

Officials said the fire was reported just before 3:30 a.m. Fire crews sounded extra alarms to receive assistance from additional crews. Hot spots spread to the adjacent building and crews were working to prevent a building collapse.

The fire broke out on the second floor of the building on Canal Street. Officials said the first floor houses a day spa, several shops and a mobile phone store.

When the fire broke out, NOFD officials said one man was inside and was able to escape. The Fire Marshal's Office said it was speaking to the unidentified man as part of the investigation, but additional details have not been released.

During the most recent update, NOFD officials said the fire is under control and crews are monitoring the building. An investigation into the cause of the fire will begin with the help of the State Fire Marshal's Office and the Bureau of Alcohol, Tobacco, Firearms and Explosives.

McConnell said the challenge for fire crews was the age of the building where the fire broke out and surrounding ones. He said the building shares a common wall with the adjacent buildings, which poses a threat when fires break out.

Officials are unclear what the condition of the building is and whether it will be salvageable.